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 | Catholic Encyclopedia: St. Gildas - Biographical entry for St. Gildas the Wise, also called "Badonicus," born to a British family in Scotland, educated in Wales, monk, priest, died in 570.
|  | Gildas - Profile of the saint. With links.
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 | Gildas, Saint - Very brief biographical entry in the Columbia Encyclopedia.
|  | Gildas the Wise - Biographical profile, by Karen Rae Keck.
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 | St. Gildas Badonicus - Biography by David Nash Ford of the 6th-century author of "De Excidio Britanniae," drawing on the dubious 11th-century life by a monk of Rhuys.
|  | St. Gildas the Wise, or Badonicus, Abbot - From Alban Butler's Lives of the Saints.
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 | Vietnamese Eucharistic Youth Society: St. Gildas - The story of St. Gildas the Wise, suited to children. Preformatted line breaks can make this difficult to read.
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